News tagged with reactivity
New interferometer could simplify materials research
(PhysOrg.com) -- “Most current hard x-ray interferometers are based on crystals, which require their high quality and high mechanical stability,” Anatoly Snigirev tells PhysOrg.com. “This can make x-ray interferometry quite ...
Aug 13, 2009 |
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New driving force for chemical reactions discovered
New research just published in the journal Science by a team of chemists at the University of Georgia and colleagues in Germany shows for the first time that a mechanism called tunneling control may drive chemical reacti ...
Chemistry / Analytical Chemistry
Jun 09, 2011 |
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Replacing hydrogen in fluorescent dyes improves detection ability, stability and shelf life
By swapping out one specific hydrogen atom for an isotope twice as heavy, researchers have increased the shelf life and detection ability of fluorescent probes that are essential to studying a variety of inflammatory ...
Jul 20, 2010 |
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Study shows adding UV light helps form 'Missing G' of RNA building blocks
For scientists attempting to understand how the building blocks of RNA originated on Earth, guanine -- the G in the four-letter code of life -- has proven to be a particular challenge. While the other three ...
Jun 14, 2010 |
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Thermochemical nanolithography now allows multiple chemicals on a chip
(PhysOrg.com) -- Scientists at Georgia Tech have developed a nanolithographic technique that can produce high-resolution patterns of at least three different chemicals on a single chip at writing speeds of ...
Dec 16, 2009 |
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Scientists reveal how females store sperm for decades
(PhysOrg.com) -- Scientists have discovered that all sorts of females – from birds to reptiles to insects – have a nifty trick to prolong the lifespan of sperm, letting them store it for weeks, months ...
Jan 26, 2012 |
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No extraordinary effects from microwave and mobile phone heating
The effect of microwave heating and cell phone radiation on sample material is no different than a temperature increase, according to scientists from the Department of Chemistry and Biochemistry, Arizona State University, ...
Nov 15, 2011 |
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Scientists pioneer new method for nanoribbon production
Research involving scientists from The University of Nottingham is pioneering a new method of studying and making molecules.
Nanotechnology / Nanomaterials
Aug 09, 2011 |
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Putting the squeeze on rare earth metals
(PhysOrg.com) -- Rare-earth metals are a series of elements that represent one of the final frontiers of chemical exploration. The vigorous reactivity of these substances, however, has made it difficult for ...
Apr 15, 2011 |
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Scientists make hydrocarbon breakthrough using gold catalyst
Researchers from Cardiff University are opening up a new way of using hydrocarbon feedstocks to make a range of valuable products.
Jan 13, 2011 |
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Engineering team invents lab-on-a-chip for fast, inexpensive blood tests
While most blood tests require shipping a vial of blood to a laboratory for analysis and waiting several days for the results, a new device invented by a team of engineers and students at the University of Rhode Island uses ...
Chemistry / Analytical Chemistry
Jan 10, 2011 |
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Neural stem cells maintain high levels of reactive oxygen species, study finds
For years, the majority of research on reactive oxygen species (ROS) – ions or very small molecules that include free radicals – has focused on how they damage cell structure and their potential link to stroke, ...
Jan 06, 2011 |
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Nanotechnology: A dead end for plant cells?
Using particles that are 1/100,000 the width of a human hair to deliver drugs to cells or assist plants in fighting off pests may sound like something out of a science fiction movie, but these scenarios may be a common occurrence ...
Nanotechnology / Bio & Medicine
Nov 16, 2010 |
4.5 / 5 (2) |
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Size matters in crucial redox reactions
(PhysOrg.com) -- Particle size has a far more dramatic impact on chemical reactivity than previously thought, according to new research from UC Davis. The results have implications for understanding a wide range of vital ...
Oct 12, 2010 |
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Thioketal nanoparticles: Researchers develop oral delivery system to treat inflammatory bowel diseases
(PhysOrg.com) -- Researchers at the Georgia Institute of Technology and Emory University have developed a novel approach for delivering small bits of genetic material into the body to improve the treatment ...
Nanotechnology / Bio & Medicine
Oct 10, 2010 |
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